<template>
  <el-form ref="deptForm" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option v-for="item in list" :key="item.id" :value="item.username" :label="item.username" />

      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployeeSimple, addDepartments, getDepartmentsDetail, editDepartments } from '@/api/departments'
export default {
  props: {
    originList: {
      type: Array,
      required: true
    },
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    }
  },

  data() {
    // 自定义检测规则函数
    const existCodeValid = (rule, value, callback) => {
      // 验证输入的编码value在所有的部门是否存在
      let existCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      console.log(existCodeList, 'existCodeList')
      if (existCodeList.includes(value)) {
        // 存在，检验失败
        callback(new Error('部门编码:$(value)已存在'))
      } else {
        // 不存储 放行
        callback()
      }
    }
    // 自定义校验规则函数
    const existNameValid = (rule, value, callback) => {
      // 验证输入的部门名称value在同级不能重复
      const existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      console.log(existNameList, 'existNameList')
      // 确实是否是编辑的状态
      if (this.isEdit) {
        const pid = this.originList.find(item => item.id === this.id).pid // 根据this.id获取当前对象的pid
        const brothers = this.originList.filter(item => item.id === pid) // 找到所有的兄弟包括自己
        existNameList - brothers.filter(item => item.id !== this.id).map(item => item.name)
      }
      if (existNameList.includes(value)) {
        callback(new Error(`部门名称: ${value}已存在`))
      } else {
        callback()
      }
    }
    return {
      // 表单收集数据对象
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      // 检验规则对象
      rules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入1~50的部门名称', trigger: 'blur' },
          { validator: existNameValid, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门编码', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入1~50的部门编码', trigger: 'blur' },
          { validator: existCodeValid, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '请输入部门负责人', trigger: ['blur', 'change'] }

        ],
        introduce: [
          { required: true, message: '请输入部门介绍', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入1~300的部门介绍', trigger: 'blur' }
        ]
      },
      list: [] // 保存部门负责人

    }
  },
  // 解决数据不更新的方式
  // 监听watch ：侦听id的变化 一旦变化 就调用loadgetDepartmentsDetail重新获取详情数据，重新填充表单
  // watch: {
  //   // j简单数据类型开启侦听
  //   id: function(new_value, olo_value) {
  //     console.log(new_value, 'new_value')
  //     console.log(olo_value, 'olo_value')
  //     this.loadgetDepartmentsDetail()
  //   }

  // },
  created() {
    this.loadEmployeeSimple()
    if (this.isEdit) {
      this.loadgetDepartmentsDetail()
    }
  },
  methods: {
    // 清空表单
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    // 加载部门详情数据
    async loadgetDepartmentsDetail() {
      try {
        const res = await getDepartmentsDetail(this.id)
        console.log(res, 'getDepartDetail')
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    async loadEmployeeSimple() {
      try {
        const res = await getEmployeeSimple()
        console.log(res, 'getEmployeeSimple')
        this.list = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 实现新增子部门
    async  doAdd() {
      try {
        // this.from 参数缺少pid
        const res = await addDepartments({ ...this.form, pid: this.id })
        console.log(res, 'addDepartments')
        // 子串父  ===》 关闭弹窗 刷新页面
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    async doEdit() {
      try {
        // 实现编辑部门功能
        const res = await editDepartments(this.form)
        console.log(res, 'editDepartments')
        // 子串父  ===》 关闭弹窗 刷新页面
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    hSubmit() {
      this.$refs.deptForm.validate((valid) => {
        // 检验失败
        if (!valid) return
        // 检验通过
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    hCancel() {
      this.$emit('close')
    }
  }
}

</script>
